/**
  ******************************************************************************
  * @file    misc.h
  * @author  MCD Application Team
  * @version V1.0.0
  * @date    18-April-2011
  * @brief   This file contains all the functions prototypes for the miscellaneous
  *          firmware library functions (add-on to CMSIS functions).
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __MISC_H
#define __MISC_H

#ifdef __cplusplus
extern "C" {
#endif

    /* Includes ------------------------------------------------------------------*/
#include "stm32f2xx.h"

    /** @addtogroup STM32F2xx_StdPeriph_Driver
      * @{
      */

    /** @addtogroup MISC
      * @{
      */

    /* Exported types ------------------------------------------------------------*/

    /**
      * @brief  NVIC Init Structure definition
      */

    typedef struct
    {
        uint8_t NVIC_IRQChannel;                    /*!< Specifies the IRQ channel to be enabled or disabled.
                                                   This parameter can be an enumerator of @ref IRQn_Type
                                                   enumeration (For the complete STM32 Devices IRQ Channels
                                                   list, please refer to stm32f2xx.h file) */

        uint8_t NVIC_IRQChannelPreemptionPriority;  /*!< Specifies the pre-emption priority for the IRQ channel
                                                   specified in NVIC_IRQChannel. This parameter can be a value
                                                   between 0 and 15 as described in the table @ref MISC_NVIC_Priority_Table
                                                   A lower priority value indicates a higher priority */

        uint8_t NVIC_IRQChannelSubPriority;         /*!< Specifies the subpriority level for the IRQ channel specified
                                                   in NVIC_IRQChannel. This parameter can be a value
                                                   between 0 and 15 as described in the table @ref MISC_NVIC_Priority_Table
                                                   A lower priority value indicates a higher priority */

        FunctionalState NVIC_IRQChannelCmd;         /*!< Specifies whether the IRQ channel defined in NVIC_IRQChannel
                                                   will be enabled or disabled.
                                                   This parameter can be set either to ENABLE or DISABLE */
    } NVIC_InitTypeDef;

    /* Exported constants --------------------------------------------------------*/

    /** @defgroup MISC_Exported_Constants
      * @{
      */

    /** @defgroup MISC_Vector_Table_Base
      * @{
      */

#define NVIC_VectTab_RAM             ((uint32_t)0x20000000)
#define NVIC_VectTab_FLASH           ((uint32_t)0x08000000)
#define IS_NVIC_VECTTAB(VECTTAB) (((VECTTAB) == NVIC_VectTab_RAM) || \
                                  ((VECTTAB) == NVIC_VectTab_FLASH))
    /**
      * @}
      */

    /** @defgroup MISC_System_Low_Power
      * @{
      */

#define NVIC_LP_SEVONPEND            ((uint8_t)0x10)
#define NVIC_LP_SLEEPDEEP            ((uint8_t)0x04)
#define NVIC_LP_SLEEPONEXIT          ((uint8_t)0x02)
#define IS_NVIC_LP(LP) (((LP) == NVIC_LP_SEVONPEND) || \
                        ((LP) == NVIC_LP_SLEEPDEEP) || \
                        ((LP) == NVIC_LP_SLEEPONEXIT))
    /**
      * @}
      */

    /** @defgroup MISC_Preemption_Priority_Group
      * @{
      */

#define NVIC_PriorityGroup_0         ((uint32_t)0x700) /*!< 0 bits for pre-emption priority
    4 bits for subpriority */
#define NVIC_PriorityGroup_1         ((uint32_t)0x600) /*!< 1 bits for pre-emption priority
    3 bits for subpriority */
#define NVIC_PriorityGroup_2         ((uint32_t)0x500) /*!< 2 bits for pre-emption priority
        2 bits for subpriority */
#define NVIC_PriorityGroup_3         ((uint32_t)0x400) /*!< 3 bits for pre-emption priority
            1 bits for subpriority */
#define NVIC_PriorityGroup_4         ((uint32_t)0x300) /*!< 4 bits for pre-emption priority
                0 bits for subpriority */

#define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PriorityGroup_0) || \
                                       ((GROUP) == NVIC_PriorityGroup_1) || \
                                       ((GROUP) == NVIC_PriorityGroup_2) || \
                                       ((GROUP) == NVIC_PriorityGroup_3) || \
                                       ((GROUP) == NVIC_PriorityGroup_4))

#define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY)  ((PRIORITY) < 0x10)

#define IS_NVIC_SUB_PRIORITY(PRIORITY)  ((PRIORITY) < 0x10)

#define IS_NVIC_OFFSET(OFFSET)  ((OFFSET) < 0x000FFFFF)

                    /**
                      * @}
                      */

                    /** @defgroup MISC_SysTick_clock_source
                      * @{
                      */

#define SysTick_CLKSource_HCLK_Div8    ((uint32_t)0xFFFFFFFB)
#define SysTick_CLKSource_HCLK         ((uint32_t)0x00000004)
#define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SysTick_CLKSource_HCLK) || \
                                       ((SOURCE) == SysTick_CLKSource_HCLK_Div8))
                    /**
                      * @}
                      */

                    /**
                      * @}
                      */

                    /* Exported macro ------------------------------------------------------------*/
                    /* Exported functions --------------------------------------------------------*/

                    void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);
    void NVIC_Init(NVIC_InitTypeDef *NVIC_InitStruct);
    void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset);
    void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState);
    void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource);

#ifdef __cplusplus
}
#endif

#endif /* __MISC_H */

/**
  * @}
  */

/**
  * @}
  */

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
